Professional-grade calculators for math, finance, health, and unit conversions. Fast, accurate, and completely free to use.
Precision calculations you can trust
Instant results as you type
No ads, no registration required
Available in 8 languages
2.5M+ uses
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950K+ uses
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650K+ uses
580K+ uses
Simple arithmetic operations
Advanced mathematical calculations
Calculate percentages easily
Perform operations with fractions
Analyze data sets and calculate statistical measures
Calculate monthly mortgage payments
Calculate loan payments and interest
Plan your investment strategy
Calculate compound interest growth
Calculate various tax amounts
Calculate profit margins and percentages
Calculate selling price and profit from markup
Calculate discounts and savings
Split tips and totals per person
Calculate your Body Mass Index
Estimate your daily calorie needs
Estimate your body fat percentage
Calculate exact age and zodiac signs
Convert between length units (m, km, ft, in, etc.)
Convert between weight units (g, kg, lb, oz, etc.)
Celsius, Fahrenheit, Kelvin
Real-time currency exchange calculator
Calculate date differences and intervals